Other dietary factors
Cancer is lower in Mediterranean countries, particularly cancer of the large bowel, breast, endometrium, and prostate.
Causes of these cancers in Scandinavian countries, UK and US linked to low consumption of fruits and vegetables and high consumption of meat to a certain extent.
Diet in Mediterranean countries is high consumption of plant foods, relatively low consumption of red meat, and high consumption of olive oil (a primary source of monounsaturated fat).